规范性肌肉激活模式在一个和五个反运动跳跃期间
Anabel Gallego-Pérez1,2, Elisa Benito-Martínez1,2, Beatriz Alonso-Cortés Fradejas3
1San Juan de Dios Foundation, 28016 Madrid, Spain.
Bioengineering (Basel, Switzerland)
|July 29, 2025
概括
这项研究确定了在反运动跳跃 (CMJ) 期间的大侧肌,大中侧肌和两腿肌的规范性肌肉激活值. 结果表明单个和多个CMJ试验之间的肌肉疲劳没有显著差异.
科学领域:
- 生物力学 生物力学
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
背景情况:
- 了解像反运动跳跃 (CMJ) 这样的动态运动中的肌肉激活模式,对于性能分析和伤害预防至关重要.
- 对于关键下肢肌肉的肌肉激活的规范性数据,如横向巨 (VL),中向巨 (VM) 和股骨双肩 (BF),对于解释个人表现和识别潜在失衡至关重要.
研究的目的:
- 在VL,VM和BF中确定肌肉激活的规范值,并在CMJ期间确定腿筋/四肢体 (H:Q) 比率.
- 为了比较单个CMJ和连续5个CMJ (5个CMJ) 之间的肌肉激活.
- 分析这些跳跃中的起飞和着陆阶段肌肉激活的差异.
主要方法:
- 一项涉及31名健康参与者的横截面描述性研究 (20名女性,11名男性).
- 使用表面电肌图 (sEMG) 来测量肌肉激活.
- 在单次CMJ和5次CMJ试验中进行了测量,重点是起飞和着陆阶段.
主要成果:
- 在CMJ和5CMJ期间为VL,VM和BF建立了规范性肌肉激活值 (不包括5CMJ着陆期间的BF).
- 与着陆阶段相比,VM和VL的肌肉激活在起飞阶段显著增加.
- 在起飞和降落阶段,BF表现出类似的激活水平.
- 与单个CMJ相比,5个CMJ协议没有导致更大的肌肉疲劳.
结论:
- 该研究为CMJ变异期间的VL,VM和BF提供了宝贵的规范性电肌图数据.
- 研究结果表明,跨越跳跃阶段,四头肌和腿筋肌肉具有不同的激活策略.
- 重复的CMJ努力似乎不会引起明显更高的肌肉疲劳,而不是这个队列中的单次跳跃.
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